Table 1 Enhancement values and buildup center frequencies

From: Enhancement of THz generation in LiNbO3 waveguides via multi-bounce velocity matching

Sample

d (μm)

θbev (deg)

\(f_0^{{{{\mathrm{theo}}}}}\) (THz)

\(f_0^{{{{\mathrm{meas}}}}}\) (THz)

Lmax (mm)

\(\bar \eta\)

\(\eta _0\)

I

50

59

0.52

0.50

1.4

35.9

10.8

II

50

53

0.78

0.61

0.9

98.4

13.7

III

100

59

0.26

0.23

1.0

79.2

29.2

IV

100

53

0.40

0.38

0.5

69.9

12.8

V

100

50

0.57

0.46

0.6

113.8

13.4